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  1. a prominent or conspicuous object on land that serves as a guide, especially to ships at sea or to travelers on a road; a distinguishing landscape feature marking a site or location: The post office served as a landmark for locating the street to turn down.
  2. something used to mark the boundary of land.
  3. a building or other place that is of outstanding historical, aesthetic, or cultural importance, often declared as such and given a special status (landmark designation), ordaining its preservation, by some authorizing organization.
  4. a significant or historic event, juncture, achievement, etc.: The court decision stands as a landmark in constitutional law.
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verb (used with object)
  1. to declare (a building, site, etc.) a landmark: a movement to landmark New York's older theaters.
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Origin of landmark

before 1000; Middle English; Old English landmearc. See land, mark1
Related formsun·land·marked, adjective

Synonyms for landmark

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for landmark

memorial, museum, milestone, tree, monument, marker, watershed, vestige, mountain, stone, specimen, trace, fragment, bend, survival, promontory, benchmark, feature, souvenir, mark

Examples from the Web for landmark

Contemporary Examples of landmark

Historical Examples of landmark

British Dictionary definitions for landmark


  1. a prominent or well-known object in or feature of a particular landscape
  2. an important or unique decision, event, fact, discovery, etc
  3. a boundary marker or signpost
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for landmark


Old English landmearc, from land (n.) + mearc (see mark (n.1)). Originally "object set up to mark the boundaries of a kingdom, estate, etc.;" general sense of "conspicuous object in a landscape" is from 1560s. Modern figurative sense of "event, etc., considered a high point in history" is from 1859.

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Online Etymology Dictionary, © 2010 Douglas Harper